Current provided by a battery is maximum when
1). internal resistance is equal to external resistance
2). ?internal resistance is greater than external resistance
3). internal resistance is less than external?resistance
4). none of these
1. Solar energy is converted into chemical energy during
2. The base of an electric iron is brightly polished mainly
3. A water tank appears shallower when it is viewed from top due to
6. In an optical fibre the signal is transmitted
7. Dynamo is a device for converting